金属学报, 2005, 41(11): 1215-1220. doi: 10.3321/j.issn:0412-1961.2005.11.016
一种镍基单晶高温合金蠕变机制的研究
刘丽荣 1, , 金涛 2, , 赵乃仁 {"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用单掺和双掺石英粉、矿粉制备压蒸养高强混凝土,研究了混凝土的抗压强度、界面显微硬度及其水化产物的微观形貌.结果表明:在高压蒸汽养护下石英粉与矿粉一样也有火山灰活性,单掺与双掺石英粉、矿粉对混凝土抗压强度的规律不同,这取决于其内部显微结构.双掺可使压蒸养高强混凝土界面过渡区的水泥石结构更加致密,同时使得界面过渡区和本体的水泥石性质趋于均匀.","authors":[{"authorName":"胡延燕","id":"b1273fa6-08bb-4e54-8f89-ec674e8d7751","originalAuthorName":"胡延燕"},{"authorName":"何廷树","id":"c8dbc255-8392-4f6f-9d71-70ed0e5774b5","originalAuthorName":"何廷树"},{"authorName":"张贤哲","id":"00b6fe07-afd3-4794-989a-1ef13abf5104","originalAuthorName":"张贤哲"},{"authorName":"祈列红","id":"56cd0b62-793f-4f1e-bbac-d424775c1350","originalAuthorName":"祈列红"}],"doi":"","fpage":"2695","id":"5e5b5bbc-2a32-4892-8d4f-24db19a21ad8","issue":"10","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"345997fc-90ab-4153-98f2-dc542ba6cb4e","keyword":"石英粉","originalKeyword":"石英粉"},{"id":"3fe3c5fb-0dd1-4a5a-a73e-599029463593","keyword":"矿粉","originalKeyword":"矿粉"},{"id":"e5fd7175-d9fd-4c37-b76d-a8e20c394f24","keyword":"压蒸养护","originalKeyword":"压蒸养护"},{"id":"2276bcb4-e766-4f6a-aaff-660e78a386a0","keyword":"显微硬度","originalKeyword":"显微硬度"}],"language":"zh","publisherId":"gsytb201410043","title":"石英粉、矿粉对压蒸高强混凝土强度和界面显微硬度的影响","volume":"33","year":"2014"},{"abstractinfo":"采用不同矿物掺合料制备压蒸养高强混凝土,研究了混凝土的抗压强度、抗拉强度、轴心抗压及其水化产物的微观形貌.结果表明:在高压蒸汽养护下石英粉与矿粉一样也有火山灰活性,石英粉中的SiO2与Ca(OH)2可以快速反应形成托勃莫来石,合适掺量的矿粉和石英粉可不同程度的提高管桩混凝土的抗压强度和劈拉强度;粉煤灰活性较低,掺入后降低压蒸强度,但较低掺量时由于大量纤维状水化硅酸钙的存在可明显改善管桩混凝土脆性.","authors":[{"authorName":"胡延燕","id":"0f369573-94c5-4119-86e3-d87a0465eee2","originalAuthorName":"胡延燕"},{"authorName":"张贤哲","id":"b46920d4-7d91-47a3-ac4e-13dddb18f1e9","originalAuthorName":"张贤哲"}],"doi":"","fpage":"1989","id":"47d305f2-5f47-4c03-bf01-cacb067de4e1","issue":"7","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"4814fd2c-cc03-4e23-9407-a83e2f8f8b50","keyword":"掺合料","originalKeyword":"掺合料"},{"id":"90898939-0c9a-41fa-9a82-0de59d24d0d0","keyword":"压蒸养护","originalKeyword":"压蒸养护"},{"id":"9a0a5c7e-bc5e-4e7f-862a-5cf3e0b9358c","keyword":"强度","originalKeyword":"强度"},{"id":"c238afa1-452f-4815-addd-fd05c23e2e3c","keyword":"水化产物","originalKeyword":"水化产物"}],"language":"zh","publisherId":"gsytb201507045","title":"不同矿物掺合料对管桩混凝土力学性能的影响","volume":"34","year":"2015"},{"abstractinfo":"采用石英粉(QP)和粉煤灰(FA)单、双掺制备PHC管桩混凝土,研究了石英粉、粉煤灰对压蒸工艺制备PHC管桩混凝土的立方体抗压强度(fcu)、劈裂抗拉强度(fts)和轴心抗压强度(fcp)的影响.结果表明:与纯水泥混凝土试件相比,掺量在10％～ 30％范围内,单掺石英粉对提高fcu和fcp幅度效果最明显,在掺量不超过10％时单掺粉煤灰对fcu和fcp稍有提高,超过10％时则会降低fcu和fcp;石英粉和粉煤灰在满足fcu和fcp要求的前提下,石英粉和粉煤灰两两双掺有利于提高fts.与纯水泥混凝土试件相比,无论单掺或两两复掺石英粉、粉煤灰,均可提高PHC管桩混凝土的韧性,而掺人粉煤灰的效果最为明显;SEM分析表明,掺入粉煤灰的压蒸净浆试件中水化产物大孔少,形成了较为明显的空间网架结构,有利于提高管桩混凝土的韧性.","authors":[{"authorName":"胡延燕","id":"2f604534-3fa8-43b0-940d-9702807d213b","originalAuthorName":"胡延燕"},{"authorName":"何廷树","id":"1befc150-8a45-4094-9a52-5d9c80c8d6a4","originalAuthorName":"何廷树"}],"doi":"","fpage":"3517","id":"f0844966-15f3-4b2e-970c-a2e0d8e7de36","issue":"11","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"372125b2-32e9-4901-968b-1e1e152be3de","keyword":"掺合料","originalKeyword":"掺合料"},{"id":"9bc90582-1523-4124-a8d8-0b50903c633f","keyword":"PHC管桩混凝土","originalKeyword":"PHC管桩混凝土"},{"id":"a2a5888a-cb8b-4c8b-8c94-f2c3321ecba6","keyword":"压蒸养护","originalKeyword":"压蒸养护"},{"id":"619e8836-f44e-49de-889f-b7c89ef0fe77","keyword":"力学性能","originalKeyword":"力学性能"}],"language":"zh","publisherId":"gsytb201611004","title":"石英粉、矿粉对PHC管桩混凝土力学性能的影响","volume":"35","year":"2016"},{"abstractinfo":"为了探明高温蒸压养护对再生混凝土受力后力学行为的影响规律,通过改变混凝土的强度等级、再生粗骨料不同掺量为变量,研究了再生骨料混凝土在高温蒸压养护后的抗压强度与弹性模量,并与普通混凝土试件进行了对比研究.结果表明,当养护环境为高温蒸压养护时,再生混凝土与对比用普通混凝土的强度仅在前期高温蒸压后较高,后期强度并没有因龄期的增长而增长,具有一定幅度的下降趋势,强度等级越高,后期强度的降低幅度越小;改变再生粗骨料置换率后,混凝土在同一种强度等级下的弹性模量出现了一定幅度的下降,并且高温蒸压养护时的混凝土弹性模量略低于标养混凝土试件.","authors":[{"authorName":"崔正龙","id":"38e175b7-6666-46de-b37b-b877c7e6248b","originalAuthorName":"崔正龙"},{"authorName":"童华彬","id":"9a9cd43b-36cb-4aed-bca5-a758fc7ddb84","originalAuthorName":"童华彬"},{"authorName":"吴翔宇","id":"965221c7-3b6e-4605-9bce-87b7c529131b","originalAuthorName":"吴翔宇"},{"authorName":"汪振双","id":"410a4137-0e86-47e9-b7a1-fe8bd20c4d85","originalAuthorName":"汪振双"}],"doi":"","fpage":"596","id":"0fee3d22-212e-4402-aeda-ea39cb162cd2","issue":"3","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"ccb0ca3d-118b-4dfc-85c8-cb4622eb7b78","keyword":"高温蒸压养护","originalKeyword":"高温蒸压养护"},{"id":"6fd2b5a3-34da-48b9-b452-33ffe7dd0cca","keyword":"再生混凝土","originalKeyword":"再生混凝土"},{"id":"7887b597-67c9-4244-8355-6bc8f940b944","keyword":"弹性模量","originalKeyword":"弹性模量"}],"language":"zh","publisherId":"gsytb201403029","title":"高温蒸压养护对再生混凝土力学性能影响的研究","volume":"33","year":"2014"},{"abstractinfo":"对掺不同矿物掺合料的PHC管桩混凝土进行力学性能测试,采用环境扫描电子显微镜和压汞等测试方法,对混凝土界面亚微观结构进行形态观察以及孔隙率特征分析.结果表明:经过常压-蒸压二次养护的混凝土力学性能明显提高,强度增幅从19.2％到65.3％不等;掺20％磨细硅砂粉和30％矿粉的PHC管桩混凝土经过蒸压养护后抗压强度达80 MPa以上;通过ESEM观察到蒸压混凝土浆-集料界面富集托贝莫来石晶体C5S6H5.孔结构测试结果可以解释宏观力学性能测试结果.掺30％矿粉的PHC管桩蒸压混凝土力学性能最佳.","authors":[{"authorName":"薛力梨","id":"7dc1da6a-945a-447d-9cb5-eb17ba8fa12f","originalAuthorName":"薛力梨"},{"authorName":"蒋元海","id":"886ecd7e-d1e8-4a57-b7f4-34f25b288277","originalAuthorName":"蒋元海"},{"authorName":"杨琳","id":"077a1f69-d04e-4763-910c-fb36c4640718","originalAuthorName":"杨琳"},{"authorName":"刘红飞","id":"53b6e9ae-110f-461d-86be-5156886e3582","originalAuthorName":"刘红飞"},{"authorName":"许顺良","id":"a060feb6-651e-4029-8861-d0861b32a66d","originalAuthorName":"许顺良"}],"doi":"","fpage":"2662","id":"6e09e984-f2c1-4e76-9113-8217502520ca","issue":"9","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"b0e9a0f9-66ba-4c12-b426-b4011ab8b6cd","keyword":"蒸压混凝土","originalKeyword":"蒸压混凝土"},{"id":"991feca4-346a-4a06-bde9-366616ae113f","keyword":"界面微观分析","originalKeyword":"界面微观分析"},{"id":"4b5df9ef-92ed-40c9-8ffb-b65ab98ffbbb","keyword":"托贝莫来石","originalKeyword":"托贝莫来石"},{"id":"cf5cd2ae-24d5-47c3-b5ed-a19f73e6c176","keyword":"力学性能","originalKeyword":"力学性能"}],"language":"zh","publisherId":"gsytb201509045","title":"PHC管桩蒸压养护混凝土的力学性能与界面亚微观结构","volume":"34","year":"2015"},{"abstractinfo":"根据蒸压养护对固硫灰渣中水化过程和水化产物的影响研究,借助化学计算手段对加入So42-的托贝莫来石体系进行结构优化和能量计算,并探讨了蒸压石膏(硫酸盐)在CaO-SiO2-Al2O3-CaSO4-H2O五元体系中的存在形态及对五元体系性能的影响.结果表明:蒸压养护后,固硫灰渣中每个托贝莫来石晶胞可进入4个SO42-,晶胞参数发生变化,结构经过优化后达到稳定;SO42-进入晶胞前后的体系能量差AE=-1619.87 keal/mol,有利于托贝莫来石生成.试验结果为蒸压养护下石膏促使CSH(B)转换为托贝莫来石的研究提供了参考.","authors":[{"authorName":"王智","id":"ec6f6a6b-00df-4f4d-9e49-432d01639a53","originalAuthorName":"王智"},{"authorName":"卢涛","id":"63e657a1-36fc-4be0-90f0-bd4150584569","originalAuthorName":"卢涛"},{"authorName":"胡小华","id":"43df063f-a4fd-489a-b030-18e38314b4fd","originalAuthorName":"胡小华"},{"authorName":"韦迎春","id":"4861b292-c9c2-4709-af05-46350f9d178d","originalAuthorName":"韦迎春"},{"authorName":"钱觉时","id":"bd561d6a-345e-431c-97d4-1162096412f3","originalAuthorName":"钱觉时"}],"doi":"","fpage":"3425","id":"b84fb553-088f-40f4-a566-75dba6cb8e72","issue":"12","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"7462b82e-2376-4554-a49e-e2ad700a0886","keyword":"蒸压养护","originalKeyword":"蒸压养护"},{"id":"d44aaffa-d756-4a85-b9dc-7bf992b719ae","keyword":"固硫灰渣","originalKeyword":"固硫灰渣"},{"id":"f1e27f9f-3635-4ccc-bc41-608418a835da","keyword":"硫酸盐","originalKeyword":"硫酸盐"},{"id":"1303a67e-f788-4876-92ab-fa86ffc2ab3a","keyword":"托贝莫来石晶体","originalKeyword":"托贝莫来石晶体"},{"id":"a3922b87-a369-4c4c-a610-f5dbb841b924","keyword":"理论计算","originalKeyword":"理论计算"}],"language":"zh","publisherId":"gsytb201512003","title":"蒸压养护下硅酸盐制品中硫酸盐存在形态的理论分析","volume":"34","year":"2015"},{"abstractinfo":"本文中以偏高岭土、磨细石英粉为粉体原料,不同模数的水玻璃为碱激发剂,制备地聚合物,并在高温高压蒸汽条件下养护(200 ℃,1.58 MPa).通过单因素实验分析,讨论了水玻璃模数、磨细石英粉掺量、水胶比、碱掺量以及蒸压时间对地聚合物的抗压强度的影响,并采用SEM电镜进行微观分析.研究结果表明:石英粉的掺入提高了地聚合物的抗压强度;采用模数为1.6的水玻璃作为碱激发剂、16％的碱掺量、45％的石英粉的掺量、0.46的水胶比,蒸压养护3h即可得到抗压强度为76.6 MPa的地聚合物;微观结构研究表明,在蒸压养护和一定的碱环境条件下,磨细石英粉表现出一定的活性,其表面有被侵蚀的痕迹,磨细石英粉与地聚合物基体结合紧密,有利于地聚合物抗压强度的提高.","authors":[{"authorName":"黄政宇","id":"c57a569f-6c78-4d4b-bde8-a606a7661852","originalAuthorName":"黄政宇"},{"authorName":"区杨荫","id":"df2edd03-439c-404d-b283-6348bcbc69b3","originalAuthorName":"区杨荫"},{"authorName":"李操旺","id":"10399dbc-a729-4f0d-8839-4f82a3670434","originalAuthorName":"李操旺"}],"doi":"","fpage":"2925","id":"477199c0-8e47-4bc2-9dab-674b2f20fe5c","issue":"10","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"365602b4-b2ab-41ba-ad76-214bcb8f1660","keyword":"地聚合物","originalKeyword":"地聚合物"},{"id":"a8e0b52e-f0ef-4709-8401-feba47847ac6","keyword":"蒸压养护","originalKeyword":"蒸压养护"},{"id":"3cf6d175-2ba8-46b2-89e4-6f3aac08e640","keyword":"石英粉","originalKeyword":"石英粉"},{"id":"315ed31f-7bd4-4d80-bf29-ff1642c7b1de","keyword":"偏高岭土","originalKeyword":"偏高岭土"}],"language":"zh","publisherId":"gsytb201510035","title":"蒸压养护下掺石英粉地聚合物的力学性能及微观结构","volume":"34","year":"2015"},{"abstractinfo":"利用黄金尾砂和生石灰,采用蒸压养护工艺,可生产出高质量的砌筑砖.该制品性能指标可靠,社会效益和经济效益极其显著.","authors":[{"authorName":"刘心中","id":"176070cd-8795-4e4a-9cf7-6ac0558d5942","originalAuthorName":"刘心中"},{"authorName":"刘家弟","id":"61b913ac-b4cd-4b12-9dff-c6e9e916aa40","originalAuthorName":"刘家弟"},{"authorName":"董风芝","id":"66c312ce-950c-4d69-94e8-52ebf0b2aec9","originalAuthorName":"董风芝"}],"doi":"10.3969/j.issn.1001-1277.2001.04.016","fpage":"46","id":"2a989bd4-2ed5-4720-b4f9-2d3cc816c437","issue":"4","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"00232d47-5fea-40b9-84ef-8f38d6a15cbb","keyword":"黄金尾砂","originalKeyword":"黄金尾砂"},{"id":"eccd95c8-4a40-4cf5-9998-27f1a98b401e","keyword":"蒸压养护砖","originalKeyword":"蒸压养护砖"},{"id":"b61aeefc-b027-4949-bf74-0772bc528987","keyword":"工艺","originalKeyword":"工艺"}],"language":"zh","publisherId":"huangj200104016","title":"利用黄金尾砂生产蒸压砖","volume":"22","year":"2001"},{"abstractinfo":"为改善蒸养对混凝土性能的不利影响,采用蒸养后补充养护的方式提高混凝土28 d龄期抗压强度和耐水性.蒸养后再水中养护或室外湿织物覆盖12～48 h,混凝土28 d抗压强度和软化系数先增加后降低.蒸养后再标准养护时,混凝土28 d抗压强度和软化系数随标养时间增加而增加.蒸养后再薄膜覆盖的混凝土28 d抗压强度和软化系数也随覆盖时间增加而增加.采用蒸养后补充养护的混凝土28 d抗压强度和软化系数均优于蒸养后直接进入室外自然养护的混凝土.其中,薄膜覆盖是对蒸养混凝土较优的一种补充养护方式.","authors":[{"authorName":"李晓","id":"88ddba25-8400-4948-898d-bd32125aa8d9","originalAuthorName":"李晓"},{"authorName":"梁磊","id":"2862f7d1-3169-409c-848c-f86494824176","originalAuthorName":"梁磊"},{"authorName":"刘振东","id":"90a431aa-431f-4692-979e-227657de3fcd","originalAuthorName":"刘振东"},{"authorName":"牛晚扬","id":"de960681-d0ae-49b9-b037-69fbbf4eab44","originalAuthorName":"牛晚扬"},{"authorName":"张清","id":"afd09dbf-164b-4d9a-9e93-11a9a4a46ee8","originalAuthorName":"张清"},{"authorName":"张照博","id":"ffdbc5fe-6ee6-44ad-91d9-d8678b41a146","originalAuthorName":"张照博"}],"doi":"","fpage":"555","id":"71a37bd5-4a58-49af-bb28-916e09f22566","issue":"2","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"47c822f6-bf21-48a6-a75a-e68793224fca","keyword":"蒸养混凝土","originalKeyword":"蒸养混凝土"},{"id":"a088ad7a-85db-4d88-97eb-1c4b581f03cf","keyword":"养护","originalKeyword":"养护"},{"id":"56c351d2-9aeb-4490-bbd8-4d5eed24b0a1","keyword":"强度","originalKeyword":"强度"},{"id":"17d9f874-b84a-46cf-aeb8-760684e38534","keyword":"耐水性","originalKeyword":"耐水性"}],"language":"zh","publisherId":"gsytb201502048","title":"蒸养后补充养护方式对混凝土性能的影响","volume":"34","year":"2015"},{"abstractinfo":"为明确金尾矿蒸压加气混凝土制品的水化机理和微观结构的内在关系，通过对比硬化坯体（ NAC）、蒸压恒温养护0 h（ AAC－0）和蒸压恒温养护8 h（ AAC－8）的3组样品的XRD谱、IR谱图分析其水化产物种类的变化，并对比SEM照片分析了其微观结构变化。研究结果表明，随着蒸压养护过程的进行，坯体内的水化产物出现阶段性变化，最终由富钙型水化硅酸钙向托贝莫来石转化，由于托贝莫来石生成的局限性和同步性，导致微观孔壁结构出现明显的分层现象，后生成的托贝莫来石层使孔结构成为中空的刚性球，作为“骨料”，起到骨架和支撑的作用。","authors":[{"authorName":"陈伟","id":"9f701254-c193-430e-bf78-826c2de8fb8b","originalAuthorName":"陈伟"},{"authorName":"倪文","id":"d39826e0-d2c8-4f8e-a2d5-7bc59e79770e","originalAuthorName":"倪文"},{"authorName":"李德忠","id":"b136a338-0a56-4c60-ba34-93fcf8112a6e","originalAuthorName":"李德忠"},{"authorName":"祝丽萍","id":"8aa76f27-f89f-4cdb-9a86-8c9cac01633b","originalAuthorName":"祝丽萍"},{"authorName":"李倩","id":"b54fd3b0-8721-46f9-bb73-b995d5bea292","originalAuthorName":"李倩"}],"doi":"10.11951/j.issn.1005-0299.20150106","fpage":"32","id":"c1f4ee01-d96a-4129-8f16-52ac3382c6aa","issue":"1","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"9342cd3f-7cad-4063-871a-0e1224963107","keyword":"金尾矿","originalKeyword":"金尾矿"},{"id":"7d97f34a-4734-43df-9cd7-8ab97cc5e73a","keyword":"加气混凝土","originalKeyword":"加气混凝土"},{"id":"a7c12c2c-93f8-4322-847b-6d0dd5eee0f1","keyword":"微观结构","originalKeyword":"微观结构"},{"id":"c9a974e9-7e72-4723-8203-85f492eaffea","keyword":"托贝莫来石","originalKeyword":"托贝莫来石"},{"id":"ae1c4903-28df-484f-a13d-1c6abb0e8c60","keyword":"孔壁结构","originalKeyword":"孔壁结构"}],"language":"zh","publisherId":"clkxygy201501006","title":"金尾矿蒸压加气混凝土水化机理和微观结构分析","volume":"","year":"2015"}],"totalpage":715,"totalrecord":7149}